STD7NK30Z Datasheet, PDF (8/15 Pages) STMicroelectronics – N-channel, 300 V, 0.80 Ω, 5 A TO-220, TO-220FP, DPAK Zener-protected SuperMESH™ Power MOSFET

Test circuits
3
Test circuits
STx7NK30Z
Figure 15. Switching times test circuit for
resistive load
Figure 16. Gate charge test circuit
VDD
VD
VGS
RG
PW
RL
2200
µF
D.U.T.
3.3
µF _VDD
12V
47kΩ
1kΩ
100nF
Vi=20V=VGMAX
2200
µF
IG=CONST
2.7kΩ
100Ω
D.U.T.
VG
47kΩ
PW
AM01468v1
1kΩ
AM01469v1
Figure 17. Test circuit for inductive load
Figure 18. Unclamped inductive load test
switching and diode recovery times
circuit
G
25 Ω
A
D
D.U.T.
S
B
AA
FAST
DIODE
L=100µH
B
3.3
B
µF
D
G
RG
S
1000
µF
VDD
Vi
L
VD
2200
3.3
µF
µF
VDD
ID
D.U.T.
Pw
AM01470v1
Figure 19. Unclamped inductive waveform Figure 20. Switching time waveform
AM01471v1
V(BR)DSS
VD
ton
tdon
tr
toff
tdoff tf
VDD
IDM
ID
0
VDD
90%
10% VDS
90%
VGS
90%
10%
AM01472v1
0
10%
AM01473v1
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